We want to raise the functional levels for our current single domain forest now that all DC's are running 2008 R2 or higher. My only concern is a new RODC we added in an isolated subnet that can only talk to one of my DC's (and it's not the one that's the FSMO role holder). We have a small network, so all the FSMO roles are one our one primary DC.
We have a colocation facility that has another DC that's where the RODC is located. communication to the RODC is restricted to just this "colo" DC.
Will I have any issues with my RODC if I raise the domain and forest functional levels from my primary DC in our main office?
I ask b/c I see repadmin errors (error 58) when running repadmin from my primary DC b/c it cannot see the RODC.
Any advice is greatly appreciated!